SurfaceFlingerConsumer.cpp revision ca08833d5ea99130797e10ad68a651b50e99da74
1bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden/* 2bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * Copyright (C) 2012 The Android Open Source Project 3bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * 4bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * Licensed under the Apache License, Version 2.0 (the "License"); 5bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * you may not use this file except in compliance with the License. 6bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * You may obtain a copy of the License at 7bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * 8bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * http://www.apache.org/licenses/LICENSE-2.0 9bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * 10bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * Unless required by applicable law or agreed to in writing, software 11bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * distributed under the License is distributed on an "AS IS" BASIS, 12bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * See the License for the specific language governing permissions and 14bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden * limitations under the License. 15bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden */ 16bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 17bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden#define ATRACE_TAG ATRACE_TAG_GRAPHICS 181df8c345854155cbbcb9f80de9d12d66ea70ac08Jamie Gennis//#define LOG_NDEBUG 0 19bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 20bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden#include "SurfaceFlingerConsumer.h" 21bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 22ca08833d5ea99130797e10ad68a651b50e99da74Mathias Agopian#include <private/gui/SyncFeatures.h> 23ca08833d5ea99130797e10ad68a651b50e99da74Mathias Agopian 24bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden#include <utils/Trace.h> 25bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden#include <utils/Errors.h> 26bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 27bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFaddennamespace android { 28bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 29bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden// --------------------------------------------------------------------------- 30bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 31bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFaddenstatus_t SurfaceFlingerConsumer::updateTexImage(BufferRejecter* rejecter) 32bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden{ 33bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden ATRACE_CALL(); 34bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden ALOGV("updateTexImage"); 35bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden Mutex::Autolock lock(mMutex); 36bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 37bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden if (mAbandoned) { 382adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden ALOGE("updateTexImage: GLConsumer is abandoned!"); 39bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden return NO_INIT; 40bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden } 41bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 42bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // Make sure the EGL state is the same as in previous calls. 43bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden status_t err = checkAndUpdateEglStateLocked(); 44bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden if (err != NO_ERROR) { 45bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden return err; 46bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden } 47bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 48bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden BufferQueue::BufferItem item; 49bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 50bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // Acquire the next buffer. 51bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // In asynchronous mode the list is guaranteed to be one buffer 52bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // deep, while in synchronous mode we use the oldest buffer. 53bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden err = acquireBufferLocked(&item); 54bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden if (err != NO_ERROR) { 55bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden if (err == BufferQueue::NO_BUFFER_AVAILABLE) { 56bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // This variant of updateTexImage does not guarantee that the 57bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // texture is bound, so no need to call glBindTexture. 58bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden err = NO_ERROR; 59bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden } else { 60bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden ALOGE("updateTexImage: acquire failed: %s (%d)", 61bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden strerror(-err), err); 62bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden } 63bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden return err; 64bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden } 65bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 66bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 67bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // We call the rejecter here, in case the caller has a reason to 68bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // not accept this buffer. This is used by SurfaceFlinger to 69bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // reject buffers which have the wrong size 70bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden int buf = item.mBuf; 71bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden if (rejecter && rejecter->reject(mSlots[buf].mGraphicBuffer, item)) { 72bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden releaseBufferLocked(buf, EGL_NO_SYNC_KHR); 73bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden return NO_ERROR; 74bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden } 75bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 76bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden // Release the previous buffer. 77bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden err = releaseAndUpdateLocked(item); 78bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden if (err != NO_ERROR) { 79bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden return err; 80bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden } 81bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 82ca08833d5ea99130797e10ad68a651b50e99da74Mathias Agopian if (!SyncFeatures::getInstance().useNativeFenceSync()) { 8397eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden // Bind the new buffer to the GL texture. 8497eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden // 8597eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden // Older devices require the "implicit" synchronization provided 8697eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden // by glEGLImageTargetTexture2DOES, which this method calls. Newer 8797eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden // devices will either call this in Layer::onDraw, or (if it's not 8897eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden // a GL-composited layer) not at all. 8997eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden err = bindTextureImageLocked(); 9097eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden } 9197eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden 9297eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden return err; 9397eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden} 9497eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden 9597eba8904c2f221c42a9473407223a4c3a213f75Andy McFaddenstatus_t SurfaceFlingerConsumer::bindTextureImage() 9697eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden{ 9797eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden Mutex::Autolock lock(mMutex); 9897eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden 9997eba8904c2f221c42a9473407223a4c3a213f75Andy McFadden return bindTextureImageLocked(); 100bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden} 101bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 102bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden// --------------------------------------------------------------------------- 103bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden}; // namespace android 104bf974abe92f7495529916fe0f483f3b56e7c30e3Andy McFadden 105